package com.tzm.springcloud.controller;

import com.tzm.springcloud.entities.CommonResult;
import com.tzm.springcloud.entities.Payment;
import com.tzm.springcloud.services.PaymentService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import javax.lang.model.element.VariableElement;
import java.util.List;
import java.util.concurrent.TimeUnit;

/**
 * @author tzm
 */
@RestController
@Slf4j
public class PaymentController
{
    @Resource
    private PaymentService paymentService;
    @Resource
    private DiscoveryClient discoveryClient;


    @Value("${server.port}")
    private String serverPort;

    @PostMapping(value = "/payment/create")
    public CommonResult create(@RequestBody Payment payment){
        int result = paymentService.create(payment);
        log.info("******插入结果"+result);
        if (result>0){
            return new CommonResult(200,"输入数据成功,serverPort:"+serverPort,result);
        }else{
            return new CommonResult(444,"插入数据失败",null);
        }
    }


    @GetMapping(value = "/payment/get/{id}")
    public CommonResult getPaymentById(@PathVariable("id") long id){
        Payment payment = paymentService.getPaymentById(id);
        log.info("******查询结果"+payment);
        if (payment !=null){
            return new CommonResult(200,"查询成功,serverPort: "+serverPort,payment);
        }else{
            return new CommonResult(444,"没有对应记录，查询id:"+id,null);
        }
    }

    @GetMapping(value = "/payment/discovery")
    public Object discovery(){
        List<String> services = discoveryClient.getServices();
        for (String element : services ) {
            log.info("********** element:"+element);
        }
        List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-PAYMENT-SERVICE");
        for (ServiceInstance instance : instances) {
            log.info(instance.getInstanceId()+"/t"+instance.getHost()+"/t"+instance.getPort()+"/t"+instance.getUri());
        }
        return  this.discoveryClient;
    }
    @GetMapping(value = "/payment/lb")
    public String getPaymentLB()
    {
        return serverPort;
    }

    @GetMapping(value = "/payment/feign/timeout")
    public String paymentFeignTimeout()
    {
        // 业务逻辑处理正确，但是需要耗费3秒钟
        try { TimeUnit.SECONDS.sleep(3); } catch (InterruptedException e) { e.printStackTrace(); }
        return serverPort;
    }

    @GetMapping("/payment/zipkin")
    public String paymentZipkin()
    {
        return "hi ,i'am paymentzipkin server fall back，welcome to tzm，O(∩_∩)O哈哈~";
    }
}
